... Corning, Lanxess AG, and Baosteel. All of our rubber products are certified to ASTM, DIN, JIS, AMS and ... About usWe specialize in manufacturing various rubber products, plastic products, silicone products, zinc / aluminum alloy products with more than 10 years. From ... hours.Thanks! Welcome your visit in our factory if time is permitted. Rubber Products manufacturer epdm rubber seal for varius usages